支持IPv6
server time.google.com
server time.cloudflare.com
server time.hko.hk
server ntp.nict.jp
server time.nist.gov
server ntp.tuna.tsinghua.edu.cn
server ntp.neu.edu.cn
server ntp.nc.u-tokyo.ac.jp
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NTP.ORG.CN NTP授时快速域名服务官网http://www.ntp.org.cn
server cn.ntp.org.cn
其它国家或地区查询http://www.ntp.org.cn/pool.php
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阿里云https://help.aliyun.com/document_detail/92704.html
ntp.aliyun.com
经典网络内网 专有网络VPC内网 公网
- ntp.cloud.aliyuncs.com ntp1.aliyun.com
ntp1.cloud.aliyuncs.com ntp7.cloud.aliyuncs.com ntp2.aliyun.com
ntp2.cloud.aliyuncs.com ntp8.cloud.aliyuncs.com ntp3.aliyun.com
ntp3.cloud.aliyuncs.com ntp9.cloud.aliyuncs.com ntp4.aliyun.com
ntp4.cloud.aliyuncs.com ntp10.cloud.aliyuncs.com ntp5.aliyun.com
ntp5.cloud.aliyuncs.com ntp11.cloud.aliyuncs.com ntp6.aliyun.com
ntp6.cloud.aliyuncs.com ntp12.cloud.aliyuncs.com ntp7.aliyun.com
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腾讯云https://cloud.tencent.com/document/product/213/30392
内网 NTP 服务器
ntpupdate.tencentyun.com
外网 NTP 服务器
time1.cloud.tencent.com
time2.cloud.tencent.com
time3.cloud.tencent.com
time4.cloud.tencent.com
time5.cloud.tencent.com
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微软-Windows自带
time.windows.com（美国）
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苹果-macOS自带
time.apple.com
time.asia.apple.com
time.euro.apple.com
或
server time1.apple.com
server time2.apple.com
server time3.apple.com
server time4.apple.com
server time5.apple.com
server time6.apple.com
server time7.apple.com
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谷歌https://developers.google.com/time
支持IPv6
time.google.com
或
server time1.google.com
server time2.google.com
server time3.google.com
server time4.google.com
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Cloudflare支持IPv6
time.cloudflare.com
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Internet空间服务器https://www.ntppool.org/zh/use.html
pool.ntp.org
或
server 0.pool.ntp.org
server 1.pool.ntp.org
server 2.pool.ntp.org
server 3.pool.ntp.org
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国家服务器https://www.ntppool.org/zone/asia
以中国为例：
cn.pool.ntp.org
或
server 0.cn.pool.ntp.org
server 1.cn.pool.ntp.org
server 2.cn.pool.ntp.org
server 3.cn.pool.ntp.org
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